From: Frank van Harmelen (Frank.van.Harmelen@cs.vu.nl)
Date: 07/11/01
Dan, Brian,
As you know, DAML+OIL is built on top of RDF/RDF Schema. Now that the
RDF Core Working Group has started its activities, the "joint committee"
who has designed DAML+OIL has written a document that describes which
areas of RDF and RDF Schema need attention based on our experiences with
defining DAML+OIL as an extension of RDF Schema. We present the document
to the RDF Core WG as input for your activities.
You can find the document at
http://www.daml.org/2001/07/RDFS-DAML+OIL-coordination.html
We hope you will find this material useful input to the RDF Core WG.
This is a public document, so feel free to distribute it inside and/or
outside the RDF Core WG, as you see fit.
On behalf of the "joint committee for DAML+OIL",
Frank van Harmelen.
----
Frank.van.Harmelen@cs.vu.nl http://www.cs.vu.nl/~frankh
Department of AI, Faculty of Sciences, Vrije Universiteit Amsterdam
de Boelelaan 1081a, 1081HV Amsterdam, The Netherlands
tel (+31)-20-444 7731 fax&voicemail (+31)-84-8722806
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Abstract:
This document describes which areas of RDF and RDF Schema need attention
based on our experiences with defining DAML+OIL as an extension of RDF
Schema. It is input from the DAML+OIL Joint Committee to the RDF Core
working group.
Contents:
what does DAML+OIL depend on from RDF(S)
RDF triple structure
RDF Schema constructions
what does DAML+OIL not use at all
reification
containers
meta-classes
what changes does DAML+OIL require in RDF(S)
multiple domains with intersection semantics
multiple ranges with intersection semantics
cycles in subclass- and subproperty-hierarchies
what areas of RDF(S) problematic
syntax
normalisation
datatypes
scoping
layering
Syntax of URIs:
Semantics of URIs:
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